CN204987370U - Improved generation central air conditioning economizer system - Google Patents
Improved generation central air conditioning economizer system Download PDFInfo
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- CN204987370U CN204987370U CN201520740753.6U CN201520740753U CN204987370U CN 204987370 U CN204987370 U CN 204987370U CN 201520740753 U CN201520740753 U CN 201520740753U CN 204987370 U CN204987370 U CN 204987370U
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- water
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- central air
- water pump
- temperature sensor
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Abstract
The utility model discloses an improved generation central air conditioning economizer system, including refrigerating system, freezing water circulating system, cooling water circulating system, fan coil system and control system, still include refrigerated water frequency conversion system, this refrigerated water frequency conversion system includes the PLC controller, the DA conversion module and the digifax conversion module that are connected with this PLC controller respectively to and first water pump and the refrigerated water converter be connected with this DA conversion module respectively, this refrigerated water converter still is connected with the second water pump, the digital analog conversion module still is connected with a temperature sensor who installs on freezing water circulating system, first water pump, second water pump and a temperature sensor simultaneously with freezing water circulating system connects. The utility model discloses an improve central air -conditioning system for other air conditioning equipment that match with freezing host computer also can carry out automatic frequency conversion along with the change of outside natural environment temperature, thereby avoid the energy extravagant, realize energy -conservingly.
Description
Technical field
The utility model relates to a kind of central air-conditioning, specifically, relates to a kind of modified central air-conditioning energy-saving system.
Background technology
Day by day serious along with electric energy problem in short supply, power-saving technology has become government department and all trades and professions are paid attention to and praise highly.Central air conditioner system is one of indispensable auxiliary facility of modern building, and the consumption of electric energy is very large, accounts for 50% of the total power consumption of building.Be all by maximum load due to central air conditioner system and increase certain surplus design, around the south of China particularly Shenzhen area, about about 10 months of annual Air conditioned time, and in fact in 1 year, run under full load and only have at most more than ten day, almost most time load all runs below 70%.Usually, in central air conditioner system, the load of freezing main frame can with the automatic regulating load of external elements temperature Change, and the refrigerating water pump matched with freezing main frame, coolant pump can not regulating loads automatically, to run under 100% load almost for a long time, cause the significant wastage of energy, be also degrading running environment and the running quality of central air-conditioning.
Utility model content
The purpose of this utility model is to provide a kind of modified central air-conditioning energy-saving system, and what solve that prior art exists runs the energy waste problem brought because of the long-term full load of air-conditioning equipment.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of modified central air-conditioning energy-saving system, comprise refrigeration system, the chilled water circulatory system, cooling water recirculation system, fan coil system and control system, also comprise chilled water frequency conversion system, this chilled water frequency conversion system comprises PLC, the D/A converter be connected with this PLC respectively and D/A converter module, and the first water pump be connected with this D/A converter respectively and chilled water frequency converter, this chilled water frequency converter is also connected with the second water pump; Described D/A converter module is also connected with the first temperature sensor be arranged in the chilled water circulatory system, and described first water pump, the second water pump are connected with the described chilled water circulatory system with the first temperature sensor simultaneously.
Further, also comprise cooling water frequency conversion system, this cooling water frequency conversion system comprises the cooling water frequency converter be connected with described D/A converter, and is arranged on the second temperature sensor be connected in cooling water recirculation system and with described D/A converter module.
Again further, on the outlet pipeline that described first temperature sensor is arranged on the chilled water circulatory system and water return pipeline, on the outlet pipeline that described second temperature sensor is then arranged on cooling water recirculation system and water return pipeline.
Preferably, described chilled water frequency converter, cooling water frequency converter are configured with power frequency switching device shifter respectively.
Preferably, the contactor for switching described first water pump, the second water pump is also configured with.
Preferably, described cooling water recirculation system is configured with cooling tower, and this cooling tower is connected with described PLC.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model is by improving central air conditioner system, set up cooling water frequency conversion system and chilled water frequency conversion system, make also to carry out automatic frequency-conversion with the change of external elements temperature with other air-conditioning equipments of freezing host matching, thus avoid energy waste, realize energy-conservation, also have adjusted the running environment of air-conditioning simultaneously, alleviate the operation burden of air-conditioning.
(2) the utility model is by difference mounting temperature sensor on the outlet pipeline, water return pipeline of the chilled water circulatory system and cooling water recirculation system, the Current Temperatures of the chilled water circulatory system and cooling water recirculation system is detected in real time, then PLC is transferred to after data being changed, and then provide foundation for the VFC of PLC, ensure that whole air-conditioning equipment obtains VFC accurately, drastically increase accuracy and the reliability of airconditioning control.
(3) the utility model is newly-increased chilled water frequency converter, cooling water frequency converter is configured with power frequency switching device shifter respectively, thus easily can realize the switching of Frequency Converter Control mode, realize manual, automatic two ore control mode, because the problem causing normally working cannot be switched when avoiding frequency converter to break down.
(4) the utility model utilizes contactor to achieve freely switching all water pumps, makes control become more simple and convenient.
Accompanying drawing explanation
Fig. 1 is the operation principle schematic diagram of central air-conditioning in the utility model.
Fig. 2 is the schematic diagram of chilled water frequency conversion system in the utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As depicted in figs. 1 and 2, modified central air-conditioning energy-saving system disclosed in the utility model, mainly comprises refrigeration system, the chilled water circulatory system, cooling water recirculation system, fan coil system, control system, chilled water frequency conversion system and cooling water frequency conversion system.
Wherein, chilled water frequency conversion system comprises PLC, the D/A converter be connected with this PLC respectively and D/A converter module, and the first water pump be connected with this D/A converter respectively and chilled water frequency converter, this chilled water frequency converter is also connected with the second water pump; Described D/A converter module is also connected with the first temperature sensor be arranged in the chilled water circulatory system, and described first water pump, the second water pump are connected with the described chilled water circulatory system with the first temperature sensor simultaneously.On the outlet pipeline that described first temperature sensor is arranged on the chilled water circulatory system and water return pipeline,
Above-mentioned cooling water frequency conversion system, based on the hardware device of chilled water frequency conversion system, is provided with the cooling water frequency converter be connected with described D/A converter, and the second temperature sensor be connected with described D/A converter module.On the outlet pipeline that this second temperature sensor is then arranged on cooling water recirculation system and water return pipeline.Cooling water frequency converter is then connected with cooling water recirculation system by the 3rd water pump.
In order to realize the manual and automatic two ore control of frequency converter, described chilled water frequency converter, cooling water frequency converter are configured with power frequency switching device shifter respectively.
For the ease of switching each water pump, be also configured with the contactor for switching described first water pump, the second water pump.
In addition, described cooling water recirculation system is configured with cooling tower, and this cooling tower is connected with described PLC.By the control of PLC to cooling tower, the energy consumption of cooling tower can be made to control in position, avoid cooling tower excessive exercise to cause energy waste.
The utility model principle is simple, it is convenient to realize, other equipment that can solve in prior art outside freezing main frame cannot realize the problem of the duty that automatically adjusts according to external environment condition change, to air conditioner energy saving, there is very great effect, effectively can reduce energy consumption, regulate operation of air conditioner environment, extend air-conditioning service life, greatly promote the practical value of air-conditioning.
Above-described embodiment is only preferred embodiment of the present utility model; restriction not to the utility model protection domain; in every case design principle of the present utility model being adopted, and the change carried out non-creativeness work on this basis and make, all should belong within protection domain of the present utility model.
Claims (6)
1. a modified central air-conditioning energy-saving system, comprise refrigeration system, the chilled water circulatory system, cooling water recirculation system, fan coil system and control system, it is characterized in that, also comprise chilled water frequency conversion system, this chilled water frequency conversion system comprises PLC, the D/A converter be connected with this PLC respectively and D/A converter module, and the first water pump be connected with this D/A converter respectively and chilled water frequency converter, this chilled water frequency converter is also connected with the second water pump; Described D/A converter module is also connected with the first temperature sensor be arranged in the chilled water circulatory system, and described first water pump, the second water pump are connected with the described chilled water circulatory system with the first temperature sensor simultaneously.
2. a kind of modified central air-conditioning energy-saving system according to claim 1, it is characterized in that, also comprise cooling water frequency conversion system, this cooling water frequency conversion system comprises the cooling water frequency converter be connected with described D/A converter, and is arranged on the second temperature sensor be connected in cooling water recirculation system and with described D/A converter module.
3. a kind of modified central air-conditioning energy-saving system according to claim 2, it is characterized in that, on the outlet pipeline that described first temperature sensor is arranged on the chilled water circulatory system and water return pipeline, on the outlet pipeline that described second temperature sensor is then arranged on cooling water recirculation system and water return pipeline.
4. a kind of modified central air-conditioning energy-saving system according to claim 3, is characterized in that, described chilled water frequency converter, cooling water frequency converter are configured with power frequency switching device shifter respectively.
5. a kind of modified central air-conditioning energy-saving system according to claim 4, is characterized in that, is also configured with the contactor for switching described first water pump, the second water pump.
6. a kind of modified central air-conditioning energy-saving system according to claim 5, it is characterized in that, described cooling water recirculation system is configured with cooling tower, and this cooling tower is connected with described PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740753.6U CN204987370U (en) | 2015-09-23 | 2015-09-23 | Improved generation central air conditioning economizer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740753.6U CN204987370U (en) | 2015-09-23 | 2015-09-23 | Improved generation central air conditioning economizer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204987370U true CN204987370U (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520740753.6U Expired - Fee Related CN204987370U (en) | 2015-09-23 | 2015-09-23 | Improved generation central air conditioning economizer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204987370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328059A (en) * | 2017-05-27 | 2017-11-07 | 四川建源节能科技有限公司 | A kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator |
-
2015
- 2015-09-23 CN CN201520740753.6U patent/CN204987370U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328059A (en) * | 2017-05-27 | 2017-11-07 | 四川建源节能科技有限公司 | A kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Jing Yuan Engineering Equipment Co., Ltd. Assignor: Chen Hao Contract record no.: 2017440020019 Denomination of utility model: Improved generation central air conditioning economizer system Granted publication date: 20160120 License type: Exclusive License Record date: 20170310 |
|
| CU01 | Correction of utility model patent | ||
| CU01 | Correction of utility model patent |
Correction item: A transferee of the entry into force of the contract Correct: Guangdong fine cold source equipment Engineering Co., Ltd. False: Guangdong Jing Yuan Engineering Equipment Co., Ltd. Number: 14 Volume: 33 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20170923 |